Home / 6,346.43-9,520.68-2,185.43

Finding the Fourth Proportional to 6,346.43, 9,520.68 and 2,185.43

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Solution

The fourth proportional to 6,346.43, 9,520.68 and 2,185.43 is: 3,278.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,346.43 : 9,520.68 = 2,185.43 : x
  2. Step 2: Convert to fraction form
    6,346.43/9,520.68 = 2,185.43/x
  3. Step 3: Cross multiply
    6,346.43x = 9,520.68 × 2,185.43
  4. Step 4: Simplify right side
    6,346.43x = 20,806,779.69
  5. Step 5: Solve for x
    x = 20,806,779.69/6,346.43
  6. Step 6: Final answer
    x = 3,278.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.